Aqueon Silicone Aquarium Sealant

100% silicone aquarium sealant is easy to apply to stop leaks. The high-strength silicone creates a permanent water-tight seal that will not crack or shrink. It’s formulated to be non-toxic, making it perfect for use on all aquariums.

• Waterproof seal does not crack or shrink
• Permanently flexible
• Long-lasting bond stops leaks
• Easy to apply
• 100% Non-toxic silicone